The Insulator,washer, cataloged under National Stock Number 5970-00-902-0720, is classified within Federal Supply Class 5970 (Electrical Insulators and Insulating Materials) of the Electrical and Electronic Equipment Components group. The manufacturer of record is American Beryllia Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-00-902-0720 |
| Primary Part Number | CG3841-2 |
| Item Name | Insulator,washer |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | American Beryllia Inc |
| Status | ACTIVE |
| Material and Location | OVERALL INSULATION, ELECTRICAL, MIL-I-23264 |
| Style Designator | ROUND, FLAT |
| Outside Diameter | 0.812 INCHES NOMINAL IN |
| Inside Diameter | 0.265 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| CG3841-2 PRIMARY | American Beryllia Inc (USA) |
| Reference | Meaning |
|---|---|
| SM-A-696617-1 | 7/2 Vendor item drawing reference U.S. Government activity |
| 7736856P2 | 5/9 Secondary reference U.S. Government activity |
| CG3842-1 | 5/9 Secondary reference General Ceramics Inc National Beryllia Div |
| 7736856P0002 | 5/9 Secondary reference U.S. Government activity |
| 30032-1 | 5/9 Secondary reference General Ceramics Inc National Beryllia Div |
NSN 5970-00-902-0720 is a Insulator,washer, manufactured by American Beryllia Inc, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-00-902-0720 has 1 manufacturer part number on file: CG3841-2 (American Beryllia Inc).
3 possible matches (shared part number, not a government interchangeability claim): 5342-01-011-5195, 3120-01-407-1821, 4820-01-681-0527. Verify interchangeability with system specifications before substitution.
Key specifications for CG3841-2: Overall Height: 0.031 INCHES NOMINAL IN; Material and Location: OVERALL INSULATION, ELECTRICAL, MIL-I-23264; Style Designator: ROUND, FLAT; Outside Diameter: 0.812 INCHES NOMINAL IN. 4 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.